Accessories

GRAS Sound & Vibration offers a wide range of standard accessories in the form of cables, adapters, windscreens and tripods for use in measuring set-ups. These can be broadly split up under accessories for microphones, for preamplifiers, for outdoor microphones, for pistonphonespistonphones and pinna simulators and accessories for ear simulators. Some are included with certain products, some are available as extras. All can be ordered individually. The brief descriptions given here as well as those on downloadable accessories sheet will help you to select what you need for your particular set-up. At all events, feel free to contact your GRAS partner if you need advice or further information.

GRAS Sound & Vibration also offers a wide range of special products and customised solutions. Our experience within the field of acoustics and vibration, combined with our short development time, enable us to provide innovative solutions to complex measurement problems in close co-operation with the customer. For a technical discussion of your measurement requirements, please contact your local representative or contact GRAS Sound & Vibration directly in Denmark.

GRAS RA0080 6pF Preamplifier-input adapter for 1/4" microphones

Length: (excl. connector): 37.5 mm
Diameter: 6.35 mm
Material: stainless steel

GRAS RA0080 6pF Preamplifier-input adapter for 1/4" microphones

The RA0080 is a 6pF input adapter for 1/4" preamplifiers. One end screws on to a 1/4" preamplifier and the other end has a Microdot input connector. This enables connecting a signal generator to the input of the preamplifier. Short circuiting the Microdot input results only in loading the ..

GRAS RA0081 Special tool for gripping 1/2” microphones

GRAS RA0081 Special tool for gripping 1/2” microphones

Pliers for firm but gentle gripping of a 1/2” microphone when unscrewing its protection grid or unscrewing the microphone from a preamplifier...

GRAS RA0082 Adapter for 1/8" microphone and 1/4" preamplifier (long version)

Length: 39 mm
Inner threading for preamp.: 5.70-60 UNS-2
Outer threading for mic.: M3
Material: stainless steel

GRAS RA0082 Adapter for 1/8" microphone and 1/4" preamplifier (long version)

The GRAS RA0082 is an adapter for using a 1/8" microphone with a 1/4" preamplifier...

GRAS RA0083 BNC to 7-pin LEMO Adapter

GRAS RA0083 BNC to 7-pin LEMO Adapter

For utilising the signal and signal-ground pins only of the 7-pin LEMO input of a preamplifier power supply.  ..

GRAS RA0085 Insulated coupling for artificial ear

Material: Black POM

GRAS RA0085 Insulated coupling for artificial ear

Use as a substitute, if necessary, for GRAS GR0336 Snap coupling in the GRAS 43AD Artificial Ear to avoid ground loops. In this case, also replace the 1/2" microphone protection grid with the GRAS RA0091 Inslulated microphone protection grid. ..

GRAS RA0086 Transmitter Adapter for 1/4" microphones

Length: (excl. connector): 37.5 mm
Diameter: 6.35 mm
Material: stainless steel

GRAS RA0086 Transmitter Adapter for 1/4" microphones

The GRAS RA0086 is similar to the GRAS RA0067 but is used with a 1/4" externally polarised microphone (typically a GRAS 40BP) which can then be used as a high-impedance sound source, e.g. when calibrating an acoustic coupler such as the GRAS RA0045. The RA0086 has a microdot connector..

GRAS RA0087 Special key

GRAS RA0087 Special key

Used when dismantling the microphone assembly of Outdoor Microphone Systems...

GRAS RA0088 In Ear Adapter

Moulding cup used to fit in-ear hearing aids to IEC 60318-5 (60126) 2cc coupler RA0113.

GRAS RA0088 In Ear Adapter

Moulding cup used to fit in-ear hearing aids to IEC 60318-4 (60711) RA0045 Ear Simulator...

GRAS RA0090 Pistonphone Coupler

GRAS RA0090 Pistonphone Coupler

A larger-volume coupler for enabling GRAS 42AA/AP Pistonphone to produce a sound pressure level of 94 dB instead of 114 dB re. 20 μPa. Essential when calibrating highly sensitive, GRAS low noise measuring systems...

GRAS RA0091 Insulated 1/2” microphone protection grid

GRAS RA0091 Insulated 1/2” microphone protection grid

For avoiding ground loops, e.g. with GRAS RA0085 Insulated coupling for artificial ear in telephone testing set-ups using the GRAS 43AD Artificial Ear...

GRAS RA0092 Rain-protection Cap for array microphones

GRAS RA0092 Rain-protection Cap for array microphones

Cap for rain protection of GRAS array microphones GRAS 40PR and 40PQ. It also fits QC microphones 40PP and 40PK...

GRAS RA0093 1/2" 5-Click Microphone Holder, Stainless Steel

Material: Stainless steel Dimension: For 1/2”
Special feature: Adjustable in 45 degree steps

GRAS RA0093 1/2" 5-Click Microphone Holder, Stainless Steel

The GRAS RA0093 is an adapter for mounting a microphone set (microphone/preamplifier) on tripods having a standard 1/4” UNC-20 male thread. The adapter is provided with a clamp for attaching a 1/2" diameter preamplifier. The microphone can be set in angles between 0 and 180 degrees in 45 ..